Spessartine and Sunstone Physical Properties

Spessartine

Sunstone

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.12-4.182.62-2.65

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Conchoidal, Brittle

Gemstones of the world (2001)

1.6 Cleavage

{???} Distinct

001

1.7 Mohs Hardness

7-7.56

2 10

1.8 Chemical Composition

Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

Spessartine and Sunstone Chemical Formula

While comparing Spessartine and Sunstone physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Spessartine and Sunstone chemical formula.

Chemical formula of Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Sunstone- Microcline: KAlSi₃O₈ Oligoclase: (Na,Ca)Al_1-2Si_3-2O₈

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Spessartine and Sunstone Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spessartine and Sunstone Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spessartine and Sunstone Optical Properties during the identification of gemstone. Specific gravity of Spessartine is 2.62-2.65 whereas that of Sunstone is 2.62-2.65.